<template>
    <div>
      <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
      </el-breadcrumb>
    <!-- 简单卡片视图区域 -->
    <el-card >      
      <el-row :gutter='20'>
        <el-col :span='7'>
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">       
          <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button> 
        </el-input>
        </el-col>
        <el-col :span='4'>
          <el-button type='primary' @click="addDialogVisible=true">添加用户</el-button>
        </el-col>
      </el-row>
    </el-card>
    <!-- 表格区域 -->
     <el-table
      :data="userlist"
      style="width: 100%" border stripe>
      <el-table-column type="index"></el-table-column>
      <el-table-column prop="username" label="姓名"></el-table-column>
      <el-table-column prop="email" label="邮箱"></el-table-column>
      <el-table-column prop="mobile" label="电话"></el-table-column>
      <el-table-column prop="role_name" label="角色"></el-table-column>
       <el-table-column label="状态">
        <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
        </template>
       </el-table-column>
       <el-table-column label="操作" width="180px">
         <template slot-scope="scope">
           <el-tooltip  effect="dark" content="修改角色" placement="top" :enterable='false'>
             <el-button type="primary" icon="el-icon-edit" size="mini" @click="changeUser(scope.row.id)" ></el-button>
          </el-tooltip>
         
          <el-tooltip  effect="dark" content="删除角色" placement="top" :enterable='false'>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
          </el-tooltip>
          
          <el-tooltip  effect="dark" content="分配角色" placement="top" :enterable='false'>
             <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
          </el-tooltip>
        </template>
       </el-table-column>
     
    </el-table>
    <!-- 分页区域 -->
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 2, 5, 10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total"
      >
    </el-pagination>
     <!-- 添加用户对话框 -->
      <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
      <!-- 内容主体区域 -->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username" >
          <el-input v-model="addForm.username" ></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password" >
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email" >
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile" >
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogClosed = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户对话框 -->
    <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed" >
      <el-form  :model="editForm" :rules="editFormRules" label-width="70px" ref="editFormRef" >
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email" ></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色对话框 -->
    <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" >
      <div>
        <p>当前的用户：{{userInfo.username}}</p>
        <p>当前的角色：   {{userInfo.role_name}}</p>
        <p>分配新角色：
          <el-select  placlder="请选择" v-model="selectedRoleId">
            <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
    </div>
</template>
<script>

import { async } from 'q';
export default {
    data(){
      // 验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      // 验证邮箱的正则表达式
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
      if (regEmail.test(value)) {
        // 合法的邮箱
        return cb()
      }
      cb(new Error('请输入合法的邮箱'))
    }
     // 验证手机号的规则
    var checkMobile = (rule, value, cb) => {
      // 验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if (regMobile.test(value)) {
        return cb()
      }
      cb(new Error('请输入合法的手机号'))
     }
      return{       
          // 获取用户列表的参数对象
          queryInfo: {
            query: '',
            // 当前的页数
            pagenum: 1,
            // 当前每页显示多少条数据
            pagesize: 2
        },
        addForm:{
           username: '',
           password: '',
           email: '',
           mobile: ''
        },
         addFormRules: {
            username: [
              { required: true, message: '请输入用户名', trigger: 'blur' },
              {
                min: 3,
                max: 10,
                message: '用户名的长度在3~10个字符之间',
                trigger: 'blur'
              }
            ],
            password: [
              { required: true, message: '请输入密码', trigger: 'blur' },
              {
                min: 6,
                max: 15,
                message: '用户名的长度在6~15个字符之间',
                trigger: 'blur'
              }
            ],
            email: [
              { required: true, message: '请输入邮箱', trigger: 'blur' },
              { validator: checkEmail, trigger: 'blur' }
            ],
            mobile: [
              { required: true, message: '请输入手机号', trigger: 'blur' },
              { validator: checkMobile, trigger: 'blur' }
            ]
      },
      editFormRules:{
        email: [
          { required: true, message: '请输入用户邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入用户手机', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
        userlist: [],
        total: 0,
         // 查询到的用户信息对象
        editForm: {},
        userInfo:{},
        rolesList:[],
        addDialogVisible:false,
        editDialogVisible: false, 
        setRoleDialogVisible:false,
        selectedRoleId:''
      }   
    },
    created(){this.getUserList()} , 
    methods:{
      //获取用户信息
      async getUserList(){
      const{data:res}= await this.$http.get("users",{params:this.queryInfo})
      this.userlist = res.data.users
      this.total=res.data.total
      if(res.meta.status!==200)return this.$message.error(res.meta.msg);
      this.$message.success(res.meta.msg)
      },
      //监听pagesize事件
      handleSizeChange(newSize){
          this.queryInfo.pagesize=newSize
          this.getUserList()
      },
      //监听页码值 change事件
      handleCurrentChange(newPage){  
          this.queryInfo.pagenum=newPage
          this.getUserList()
      },
     async userStateChanged(userinfo){      
        const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      )
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败！')
      }
      this.$message.success('更新用户状态成功！')
      },
      //监听添加用户对话框的关闭事件
      addDialogClosed() {
          this.$refs.addFormRef.resetFields()
      },
      //监听修改用户对话框得关闭事件
      editDialogClosed() {
      this.$refs.editFormRef.resetFields()
      },
      //确定按钮点击事件监听
       addUser(){
         this.$refs.addFormRef.validate(async valid=>{
            if (!valid) return
              const { data: res } = await this.$http.post('users', this.addForm)
              
            if(res.meta.status!==201)return this.$message.error(res.meta.msg)
            this.$message.success(res.meta.msg)
            this.addDialogVisible=false
            this.getUserList()          
         })
      },
      //修改用户信息
      async changeUser(id){
        this.editDialogVisible=true
       const{data:res} =await this.$http.get('users/' + id)
       
       if(res.meta.status!==200)return this,$message.error(res.meta.msg)
        this.$message.success(res.meta.msg)
        this.editForm=res.data
      },
      //监听修改用户对话框
      setRoleDialogClosed(){
          this.selectedRoleId = ''
          this.userInfo = {}
      },
      // 修改用户确定按钮点击事件
      editUserInfo(){
        this.$refs.editFormRef.validate(async vaild =>{
         if(!vaild) return 
          const { data: res } = await this.$http.put(
          'users/' + this.editForm.id,         
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile
          },       
        )
        if (res.meta.status!==200) return this.$message.error(res.meta.msg)
        //关闭对话框
        this.editDialogVisible=false
        //刷新页面
        this.getUserList()
        //提示用户更新成功
         this.$message.success(res.meta.msg)
        })
      },
      //删除用户事件
      async removeUserById(id){
        
        const confirmResult = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete('users/' + id)
      
      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败！')
      }
      this.$message.success('删除用户成功！')
      this.getUserList()
      },
      //分配按钮点击事件
     async setRole(row){
        this.userInfo=row
        this.setRoleDialogVisible=true
         const { data: res } = await this.$http.get('roles')
         if(res.meta.status!==200)return this.$message.error(res.meta.msg)
          this.rolesList = res.data
      },
      //分配确定按钮点击事件
     async saveRoleInfo(){
         if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色！')
      }

      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectedRoleId
        }
      )

      if (res.meta.status !== 200) {
        return this.$message.error('更新角色失败！')
      }

      this.$message.success('更新角色成功！')
      this.getUserList()
      this.setRoleDialogVisible = false
      }
    }
}
</script>
<style lang="less" scoped>
  .el-breadcrumb  {
    margin-bottom: 15px;
  }
  .el-table {
    font-size: 12px;
    margin-top: 15px;
  }
</style>


